ArticlePlant physiology2021
The mechanism for brassinosteroids suppressing climacteric fruit ripening.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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Who cites it
35 citing papers in PubMed, 85 citations in OpenAlex.
- The VvBZR1-VvHY5 Module Integrates Brassinosteroid and Light Signaling to Regulate Anthocyanin Biosynthesis in Grape.Plant, cell & environment · 2026Article
- Ethylene networking in fruit ripening: molecular mechanisms, hormone crosstalk, climate interactions, and postharvest management.Plant cell reports · 2026Review
- Phytohormones and Shoot Branching: A Mini-Review of Molecular Regulatory Networks and Mechanisms.Plants (Basel, Switzerland) · 2026Review
- Brassinosteroid signaling promotes stone cell lignification by enhancing nuclear accumulation of PbrBEH3 in pear fruit.The Plant journal : for cell and molecular biology · 2026Article
- Evolutionary shifts in plant adaptation mediated by phytohormones.Plant communications · 2026Review
- SlSAM3 interacts with SlACS4 to facilitate brassinosteroid signaling-mediated tomato (Solanum lycopersicum) fruit coloring.Communications biology · 2026Article
- Salicylic acid reduces MdPUB24-mediated ubiquitination of MdWRKY40 to suppress ethylene biosynthesis in apple fruit.Horticulture research · 2026Article
- Comparative genomic analyses reveal different genetic basis of two types of fruit in Maloideae.Nature communications · 2025Article
- CaHorticulture research · 2025Article
- Brassinosteroids: Biosynthesis, Signaling, and Hormonal Crosstalk as Related to Fruit Yield and Quality.Plants (Basel, Switzerland) · 2025Review
- Manipulating brassinosteroid signaling pathway to genetically improve horticultural plants.aBIOTECH · 2025Review
- Melatonin suppresses ethylene biosynthesis by inhibiting transcription factor MdREM10 during apple fruit ripening.Horticulture research · 2025Article
- Autosuppression of MdNAC18.1 endowed by a 61-bp promoter fragment duplication delays maturity date in apple.Plant biotechnology journal · 2025Article
- The transcription factors AdNAC3 and AdMYB19 regulate kiwifruit ripening through brassinosteroid and ethylene signaling networks.Plant physiology · 2025Article
- Violet LED light-activated MdHY5 positively regulates phenolic accumulation to inhibit fresh-cut apple fruit browning.Horticulture research · 2025Article
- Identification of two postharvest ripening regulatory models in kiwifruit: based on plant hormones, physiology, and transcriptome analysis.BMC plant biology · 2024Article
- Transcription factor PbrERF114 is involved in the regulation of ethylene synthesis during pear fruit ripening.Molecular horticulture · 2024Article
- Auxin responsive factor MdARF17 promotes ethylene synthesis in apple fruits by activating MdERF003 expression.Plant cell reports · 2024Article
- Interaction of the Transcription Factors BES1/BZR1 in Plant Growth and Stress Response.International journal of molecular sciences · 2024Review
- Interaction among homeodomain transcription factors mediates ethylene biosynthesis during pear fruit ripening.Horticulture research · 2024Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The plant hormone ethylene is important for the ripening of climacteric fruit, such as pear (Pyrus ussuriensis), and the brassinosteroid (BR) class of phytohormones affects ethylene biosynthesis during ripening via an unknown molecular mechanism. Here, we observed that exogenous BR treatment suppressed ethylene production and delayed fruit ripening, whereas treatment with a BR biosynthesis inhibitor promoted ethylene production and accelerated fruit ripening in pear, suggesting BR is a ripening suppressor. The expression of the transcription factor BRASSINAZOLE-RESISTANT 1PuBZR1 was enhanced by BR treatment during pear fruit ripening. PuBZR1 interacted with PuACO1, which converts 1-aminocyclopropane-1-carboxylic acid (ACC) to ethylene, and suppressed its activity. BR-activated PuBZR1 bound to the promoters of PuACO1 and of PuACS1a, which encodes ACC synthase, and directly suppressed their transcription. Moreover, PuBZR1 suppressed the expression of transcription factor PuERF2 by binding its promoter, and PuERF2 bound to the promoters of PuACO1 and PuACS1a. We concluded that PuBZR1 indirectly suppresses the transcription of PuACO1 and PuACS1a through its regulation of PuERF2. Ethylene production and expression profiles of corresponding apple (Malus domestica) homologs showed similar changes following epibrassinolide treatment. Together, these results suggest that BR-activated BZR1 suppresses ACO1 activity and the expression of ACO1 and ACS1, thereby reducing ethylene production and suppressing fruit ripening. This likely represents a conserved mechanism by which BR suppresses ethylene biosynthesis during climacteric fruit ripening.
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